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Webster 1913 Edition

Retina

Ret′i-na

,
Noun.
[NL., from L.
rete
a net. Cf.
Reticule
.]
(Anat.)
The delicate membrane by which the back part of the globe of the eye is lined, and in which the fibers of the optic nerve terminate. See
Eye
.
☞ The fibers of the optic nerve and the retinal blood vessels spread out upon the front surface of the retina, while the sensory layer (called Jacob’s membrane), containing the rods and cones, is on the back side, next the choroid coat.

Webster 1828 Edition

Retina

RET'INA

,
Noun.
[L. from rete, a net.] In anatomy, one of the coats of the eye, being an expansion of the optic nerve over the bottom of the eye, where the sense of vision is first received.

Definition 2024

Retina

Retina

See also: retina and retiña

German

Noun

Retina f ‎(genitive Retina, plural Retinae)

  1. retina

Synonyms

retina

retina

See also: Retina and retiña

English

Noun

Illustration showing parts of the human eye, including the retina.

retina ‎(plural retinas or retinae or retinæ)

  1. (anatomy) The thin layer of cells at the back of the eyeball where light is converted into neural signals sent to the brain.

Translations

Derived terms

Anagrams

References

  1. ↑ Online Etymological Dictionary

Dutch

Pronunciation

  • Hyphenation: re‧ti‧na

Etymology

From Medieval Latin rētina, the diminutive form of Latin rēte ‎(“net”), probably from Vulgar Latin tunica *retina, literally "net-like tunic", used to describe the blood vessel system at the back of the eye.

Noun

retina f, m ‎(plural retina's, diminutive retinaatje n)

  1. (anatomy) retina

Synonyms

Anagrams

Hungarian

Noun

retina

  1. retina

Italian

Etymology 1

The original sense (Etymology 2) of retina, but given a specific anatomical meaning.

Pronunciation

  • IPA(key): /ˈrɛtina/
  • Hyphenation: rè‧ti‧na

Noun

retina f ‎(plural retine)

  1. (anatomy) retina
Derived terms

Etymology 2

rete +‎ -ina

Pronunciation

  • IPA(key): /reˈtina/
  • Hyphenation: re‧tì‧na

Noun

retina f ‎(plural retine) (Diminutive of: rete)

  1. small net
  2. hairnet

Verb

retina

  1. third-person singular present indicative of retinare
  2. second-person singular imperative of retinare

Anagrams

Portuguese

Verb

retina

  1. first-person singular present subjunctive of retinir
  2. third-person singular present subjunctive of retinir
  3. third-person singular imperative of retinir

Spanish

Noun

retina f ‎(plural retinas)

  1. retina

Etymology

From Medieval Latin retina, the diminutive form of Latin rete ‎(“net”), probably from the Vulgar Latin phrase (tunica) *retina, literally "net-like tunic", used to describe the blood vessel system at the back of the eye. (Gerard of Cremona may have created this phrase as a translation for Arabic (tabaqa) sabakiva "net-like layer", which translates Ancient Greek ἀμφιβληστροειδής ‎(amphiblēstroeidḗs) (χιτών ‎(khitṓn))).[1]

Pronunciation

  • (US) IPA(key): /ˈɹɛt.ɨ.n‌ə/

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